/* ============================================
   Revelog Ambiental - Stylesheet Principal
   Tokens: DESIGN.md (fonte da verdade)
   ============================================ */

/* Design Tokens — mapeados 1:1 com o front matter do DESIGN.md */
:root {
  --primary: #0b5d3b;
  --on-primary: #ffffff;
  --surface: #ffffff;
  --on-surface: #1a1c1e;
  --muted: #6b7280;
  --danger: #b3261e;
  --border: #e5e7eb;

  --font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial,
    sans-serif;
  --display-size: 2.25rem;
  --display-weight: 600;
  --display-lh: 1.15;
  --display-ls: -0.02em;
  --body-size: 1rem;
  --body-weight: 400;
  --body-lh: 1.6;
  --label-size: 0.875rem;
  --label-weight: 500;

  --rounded-sm: 4px;
  --rounded-md: 8px;
  --rounded-lg: 16px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 48px;
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font);
  color: var(--on-surface);
  background: var(--surface);
  line-height: var(--body-lh);
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
}

/* Layout */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-lg);
}
.nav-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.nav-left img {
  width: 52px;
  height: 52px;
  object-fit: contain;
}
.nav-left b {
  font-size: 10px;
  letter-spacing: 0.22em;
  display: block;
  color: var(--primary);
}
.nav-left span {
  font-weight: var(--display-weight);
  font-size: 12px;
  letter-spacing: 0.12em;
}
.nav-links {
  display: flex;
  gap: var(--space-lg);
  font-size: var(--label-size);
  font-weight: var(--label-weight);
  color: var(--muted);
}
.nav-links a:hover {
  color: var(--primary);
}
.nav-cta {
  background: var(--primary);
  color: var(--on-primary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--rounded-md);
  font-weight: var(--label-weight);
  font-size: var(--label-size);
}

/* Hero */
.hero {
  background: var(--surface);
  padding: var(--space-lg) 0 0;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 32px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px var(--space-lg) 64px;
}
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    padding-top: var(--space-md);
  }
}
.kicker {
  font-size: var(--label-size);
  letter-spacing: 0.22em;
  font-weight: var(--label-weight);
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.kicker:before {
  content: "";
  width: var(--space-lg);
  height: 2px;
  background: var(--primary);
  display: inline-block;
}

/* Headings */
.h1 {
  font-size: var(--display-size);
  line-height: var(--display-lh);
  font-weight: var(--display-weight);
  color: var(--primary);
  letter-spacing: var(--display-ls);
}
.h1 span {
  display: block;
  color: var(--muted);
  font-weight: var(--body-weight);
  font-size: 0.52em;
  margin-top: var(--space-sm);
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.lead {
  font-size: var(--body-size);
  color: var(--on-surface);
  max-width: 56ch;
  margin: var(--space-md) 0 var(--space-lg);
}

/* Badges */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin: var(--space-md) 0 var(--space-lg);
}
.badge {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--rounded-md);
  font-size: var(--label-size);
  font-weight: var(--label-weight);
  color: var(--on-surface);
  transition: transform 0.3s ease;
}
.badge:hover {
  transform: translateY(-2px);
}

/* Buttons */
.cta-row {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  align-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--rounded-md);
  font-weight: var(--label-weight);
  font-size: var(--label-size);
  transition: 0.18s;
}
.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
}
.btn-primary:hover {
  transform: translateY(-1px);
}
.btn-secondary {
  background: var(--surface);
  color: var(--on-surface);
  border: 1px solid var(--border);
}

/* Hero Card */
.hero-card {
  background: var(--surface);
  border-radius: var(--rounded-lg);
  padding: var(--space-md);
  border: 1px solid var(--border);
}
.hero-card img {
  width: 100%;
  border-radius: var(--rounded-md);
}
.mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}
.mini {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--rounded-md);
  padding: var(--space-sm);
  font-size: var(--label-size);
  line-height: 1.4;
}
.mini b {
  color: var(--primary);
  display: block;
  margin-bottom: 2px;
}

/* Sections */
.section {
  padding: var(--space-xl) 0;
}
.section-alt {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.h2 {
  font-size: clamp(24px, 3.8vw, 40px);
  line-height: var(--display-lh);
  font-weight: var(--display-weight);
  color: var(--primary);
  letter-spacing: var(--display-ls);
}
.h2 i {
  font-style: normal;
  color: var(--on-surface);
  font-weight: var(--body-weight);
  font-size: 0.95em;
}
.p {
  font-size: var(--body-size);
  color: var(--on-surface);
  max-width: 68ch;
  margin-top: var(--space-sm);
}

/* Cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--rounded-lg);
  padding: var(--space-lg);
}
.card h3 {
  font-size: var(--body-size);
  color: var(--primary);
  margin-bottom: var(--space-sm);
}
.card p {
  font-size: var(--label-size);
  color: var(--muted);
}
.icon-circle {
  width: 40px;
  height: 40px;
  border-radius: var(--rounded-md);
  background: var(--primary);
  color: var(--on-primary);
  display: grid;
  place-items: center;
  font-weight: var(--display-weight);
  margin-bottom: var(--space-sm);
  font-size: var(--label-size);
}

/* Steps */
.step {
  border-left: 4px solid var(--primary);
  padding-left: var(--space-md);
}
.step.sust {
  border-color: var(--primary);
}
.step.renov {
  border-color: var(--primary);
}

/* Materials Grid */
.material-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
@media (max-width: 1100px) {
  .material-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 640px) {
  .material-grid {
    grid-template-columns: 1fr;
  }
}
.mat-card {
  background: var(--surface);
  border-radius: var(--rounded-lg);
  padding: var(--space-md);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.mat-ico {
  font-size: var(--body-size);
  font-weight: var(--display-weight);
  color: var(--primary);
  margin-bottom: var(--space-sm);
  display: block;
}

/* Impact Grid */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
@media (max-width: 900px) {
  .impact-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 560px) {
  .impact-grid {
    grid-template-columns: 1fr;
  }
}
.impact-card {
  background: var(--surface);
  border-radius: var(--rounded-lg);
  padding: var(--space-md);
  border: 1px solid var(--border);
}
.impact-card b {
  font-size: 42px;
  line-height: 1;
  color: var(--primary);
  display: block;
  font-weight: var(--display-weight);
}

/* Transformation / Products */
.transformation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
  margin-top: 32px;
  background: var(--surface);
  border-radius: var(--rounded-lg);
  padding: var(--space-lg);
  border: 1px solid var(--border);
}
@media (max-width: 900px) {
  .transformation {
    grid-template-columns: 1fr !important;
    padding: var(--space-md);
  }
}
.prod-mini {
  display: grid;
  grid-template-columns: 86px 1fr auto;
  gap: var(--space-sm);
  align-items: center;
  background: var(--surface);
  border-radius: var(--rounded-md);
  padding: var(--space-sm);
  border: 1px solid var(--border);
}
.prod-mini img {
  width: 86px;
  height: 86px;
  object-fit: cover;
  border-radius: var(--rounded-md);
}
@media (max-width: 600px) {
  .prod-mini {
    grid-template-columns: 70px 1fr !important;
    gap: var(--space-xs);
  }
  .prod-mini img {
    width: 70px;
    height: 70px;
  }
  .prod-mini .btn {
    grid-column: 1/-1;
    width: 100%;
    margin-top: var(--space-xs);
    text-align: center;
  }
}

/* Partners Grid */
.part-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
@media (max-width: 900px) {
  .part-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 560px) {
  .part-grid {
    grid-template-columns: 1fr;
  }
}

/* Contact */
.contact-box {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}
@media (max-width: 900px) {
  .contact-box {
    grid-template-columns: 1fr;
  }
}
.form {
  background: var(--surface);
  border-radius: var(--rounded-lg);
  padding: var(--space-lg);
  border: 1px solid var(--border);
}
@media (max-width: 600px) {
  .form {
    padding: var(--space-md);
  }
}
.form input,
.form select,
.form textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--rounded-md);
  border: 1px solid var(--border);
  margin-top: var(--space-sm);
  font-size: var(--label-size);
  font-family: inherit;
  background: var(--surface);
}
.form label {
  font-size: var(--label-size);
  font-weight: var(--label-weight);
  color: var(--on-surface);
  margin-top: var(--space-md);
  display: block;
}

/* Numbers Secondary Grid Responsive */
.numbers-highlight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  background: var(--surface);
  border-radius: var(--rounded-lg);
  padding: var(--space-lg);
  border: 1px solid var(--border);
}
@media (max-width: 768px) {
  .numbers-highlight-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
    padding: var(--space-md);
  }
}

/* Footer */
.footer {
  background: var(--primary);
  color: var(--on-primary);
  padding: 40px 0 var(--space-lg);
  margin-top: var(--space-xl);
}
.footer a {
  color: var(--on-primary);
}
.footer a:hover {
  text-decoration: underline;
}
.leaf-deco {
  position: absolute;
  right: -10px;
  top: -10px;
  opacity: 0.12;
  pointer-events: none;
}

/* ============================================
   Menu Hamburger Mobile
   ============================================ */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--primary);
  margin: 5px 0;
  transition: 0.3s;
  border-radius: 2px;
}
@media (max-width: 900px) {
  .menu-toggle {
    display: block;
  }
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--surface);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    z-index: 1000;
  }
  .nav-links.active {
    display: flex;
  }
}

/* Hamburger Animation */
.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu Overlay */
.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 48;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.menu-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* ============================================
   WhatsApp Flutuante
   — exceção: cor de marca terceira (#25D366)
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  background: #25d366;
  color: var(--on-primary);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  z-index: 1000;
  transition: 0.3s;
  text-decoration: none;
}
.whatsapp-float:hover {
  transform: scale(1.1);
}

/* ============================================
   Scroll Reveal
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Cookie Banner
   ============================================ */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--primary);
  color: var(--on-primary);
  padding: var(--space-md) var(--space-lg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  font-size: var(--label-size);
}
.cookie-banner a {
  color: var(--on-primary);
  text-decoration: underline;
}
.cookie-btn {
  background: var(--on-primary);
  color: var(--primary);
  border: none;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--rounded-md);
  cursor: pointer;
  font-weight: var(--label-weight);
  font-size: var(--label-size);
  white-space: nowrap;
}
.cookie-btn:hover {
  opacity: 0.9;
}
.cookie-btn-sec {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--on-primary);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--rounded-md);
  cursor: pointer;
  font-size: var(--label-size);
  white-space: nowrap;
}
@media (max-width: 600px) {
  .cookie-banner {
    flex-direction: column;
    text-align: center;
  }
}

/* Footer Mobile */
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr !important;
  }
  .footer-grid > div {
    text-align: center;
  }
}

/* ============================================
   Accessibility: Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .whatsapp-float {
    animation: none;
  }
  .menu-toggle span {
    transition: none;
  }
  .cookie-banner {
    transition: none;
  }
  .btn {
    transition: none;
  }
  .card,
  .mat-card,
  .impact-card,
  .prod-mini {
    transition: none;
  }
}

/* ============================================
   Visual Decorations
   ============================================ */
.leaf-deco-1 {
  position: absolute;
  top: 10%;
  right: 5%;
  opacity: 0.08;
  pointer-events: none;
  animation: float 6s ease-in-out infinite;
}
.leaf-deco-2 {
  position: absolute;
  bottom: 15%;
  left: 3%;
  opacity: 0.06;
  pointer-events: none;
  animation: float 8s ease-in-out infinite reverse;
}
.leaf-deco-3 {
  position: absolute;
  top: 60%;
  right: 8%;
  opacity: 0.05;
  pointer-events: none;
  animation: float 7s ease-in-out infinite 1s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-15px) rotate(5deg);
  }
}

/* ============================================
   Hover Effects — sem sombra, só transform
   ============================================ */
.card {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.card:hover {
  transform: translateY(-4px);
}

.mat-card {
  transition:
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.3s ease;
}
.mat-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}

.impact-card {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.impact-card:hover {
  transform: translateY(-4px);
}

.prod-mini {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.prod-mini:hover {
  transform: translateX(4px);
}

/* Formulario com Focus */
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(11, 93, 59, 0.15);
}

/* Link Hover com Underline Animado */
.nav-links a {
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}
.nav-links a:hover::after {
  width: 100%;
}

/* Numeros com Hover */
.impact-card b {
  transition: transform 0.3s ease;
}
.impact-card:hover b {
  transform: scale(1.1);
}

/* ============================================
   Secao de Depoimentos
   ============================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
@media (max-width: 900px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}
.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--rounded-lg);
  padding: var(--space-lg);
  position: relative;
}
.testimonial-card::before {
  content: "\201C";
  font-size: 48px;
  color: var(--muted);
  opacity: 0.3;
  position: absolute;
  top: var(--space-sm);
  left: var(--space-md);
  font-family: Georgia, serif;
  line-height: 1;
}
.testimonial-card p {
  font-size: var(--label-size);
  color: var(--muted);
  font-style: italic;
  margin-top: var(--space-md);
  line-height: var(--body-lh);
}
.testimonial-author {
  margin-top: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.testimonial-author .initials {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--display-weight);
  font-size: var(--label-size);
}
.testimonial-author .info {
  font-size: var(--label-size);
}
.testimonial-author .info b {
  color: var(--primary);
  display: block;
}
.testimonial-author .info span {
  color: var(--muted);
}

/* Counter Animation */
.counter-number {
  font-size: var(--display-size);
  line-height: 1;
  color: var(--primary);
  display: block;
  font-weight: var(--display-weight);
}

/* ============================================
   FAQ Accordion
   ============================================ */
.faq-grid {
  display: grid;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  max-width: 860px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--rounded-md);
  overflow: hidden;
  transition:
    border-color 0.2s ease,
    transform 0.2s ease;
}
.faq-item[open] {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(11, 93, 59, 0.06);
}
.faq-summary {
  padding: var(--space-md) var(--space-lg);
  font-weight: var(--label-weight);
  color: var(--on-surface);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--body-size);
  user-select: none;
  transition: color 0.2s ease;
}
.faq-summary:hover {
  color: var(--primary);
}
.faq-summary::-webkit-details-marker {
  display: none;
}
.faq-summary::after {
  content: "+";
  font-size: 1.5rem;
  line-height: 1;
  color: var(--primary);
  font-weight: var(--display-weight);
  transition: transform 0.2s ease;
}
.faq-item[open] .faq-summary::after {
  content: "−";
}
.faq-answer {
  padding: var(--space-sm) var(--space-lg) var(--space-md);
  font-size: var(--label-size);
  color: var(--muted);
  line-height: var(--body-lh);
  border-top: 1px solid var(--border);
}

/* ============================================
   Video Section
   ============================================ */
.video-wrapper {
  margin-top: var(--space-lg);
  border-radius: var(--rounded-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #000;
}
.video-wrapper video {
  width: 100%;
  height: auto;
  max-height: 480px;
  display: block;
  object-fit: cover;
}